<?php
/**
 * RepeaterKit - Plugin Bootstrap & Lifecycle Orchestrator
 *
 * @package RepeaterKit
 * @since   1.0.0
 */

declare(strict_types=1);

namespace RepeaterKit;

if ( ! defined( 'ABSPATH' ) ) {
	exit;
}

/**
 * Class Plugin.
 *
 * Coordinates plugin lifecycle and registration hooks.
 */
class Plugin {

	/**
	 * Singleton instance.
	 *
	 * @var Plugin|null
	 */
	private static $instance = null;

	/**
	 * Field type instance.
	 *
	 * @var RepeaterKit_Field|null
	 */
	public $field_type = null;

	/**
	 * Retrieve singleton instance.
	 *
	 * @return Plugin
	 */
	public static function instance(): Plugin {
		if ( null === self::$instance ) {
			self::$instance = new self();
		}
		return self::$instance;
	}

	/**
	 * Constructor. Protected for singleton.
	 */
	private function __construct() {
		$this->setup_hooks();
	}

	/**
	 * Wire up WordPress and ACF actions and filters.
	 *
	 * @return void
	 */
	private function setup_hooks(): void {
		// Environment notices.
		Compat::register_notices();

		// Field type registration on acf/init.
		add_action( 'acf/init', array( $this, 'register_field_type' ) );

		// Asset management.
		Assets::register_hooks();

		// JSON Export & Import endpoints.
		Export::register_hooks();
	}

	/**
	 * Register the RepeaterKit field type with ACF or SCF.
	 *
	 * @return void
	 */
	public function register_field_type(): void {
		if ( ! function_exists( 'acf_register_field_type' ) ) {
			return;
		}

		if ( ! class_exists( 'RepeaterKit\RepeaterKit_Field' ) ) {
			require_once REPEATERKIT_PATH . 'includes/class-rpk-field.php';
		}

		if ( class_exists( 'RepeaterKit\RepeaterKit_Field' ) ) {
			$this->field_type = acf_register_field_type( 'RepeaterKit\RepeaterKit_Field' );
			Logger::debug( 'RepeaterKit field type registered successfully.', 'bootstrap' );
		}
	}
}